Manifest updates

Typo fixes and change 'download entry source' to 'download entry' as
it's the tarball, not the source itself.

Rebuilt .entry.json and index.html files for all entries.

1991/fine/index.html

@@ -238,7 +238,7 @@ for the student.</p>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1991/fine/Makefile">Makefile</a> - entry Makefile</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1991/fine/fine.orig.c">fine.orig.c</a> - original source</li>
 <li><a href="https://github.com/ioccc-src/temp-test-ioccc/blob/master/1991/fine/try.sh">try.sh</a> - how to run</li>
-<li><a href="1991_fine.tar.bz2">1991_fine.tar.bz2</a> - download entry source</li>
+<li><a href="1991_fine.tar.bz2">1991_fine.tar.bz2</a> - download entry</li>
 </ul>
 <h2 id="secondary-files">Secondary files</h2>
 <ul>